Element, Compound, or Mixture?!!

Element, Compound, or Mixture?!!

Poll

How would you rate yourself on the basics of identifying if something is a pure substance or a mixture?

• Good, I think I can do it

• So so...I think I can but might need some more explanation

• Meh...I need some more explanation.

Poll

How would you rate yourself on the basics of identifying if something is an element or a compound?

• Good, I think I can do it

• So so...I think I can but might need some more explanation

• Meh...I need some more explanation.

Poll

How would you rate yourself on the basics of identifying if something is an element, a compound, or a mixture?

• Good, I think I can do it

• So so...I think I can but might need some more explanation

• Meh...I need some more explanation.

What are Elements?

• Made of ONE TYPE of atom

• Can be found on the Periodic Table

• Have a one or 2 letter symbol to represent it

• Is a pure substance

Multiple Choice

Hydrogen gas - H₂

• Element

• Compound

• Mixture

Multiple Choice

What is this an image of?

• element

• compound

• mixture of elements

Multiple Choice

Mg is considered to be a(n) ____.

• Element

• Compound

• Mixture

Multiple Choice

What would you consider this to be?

• element

• mixture of elements

Compounds

• Made of 2 OR MORE elements bonded together

• Remember: symbols for elements are either one capital letter OR a capital letter followed by a lowercase letter

• Every time you see a capital letter it means "new element"

• Example: CaCl₂ (Ca = calcium, Cl = Chlorine and there are 2 of them)

Multiple Choice

What is this considered?

• Element (made of one type of atom)

• Compound (made of 2 types of atoms, red and white)

• Mixture (made of red and white, so it is 2 things)

Multiple Choice

What is this?

• Element

• Compound

• Mixture

Multiple Choice

NaCl

• Element

• Compound

• Mixture

Multiple Choice

What would this be considered. Look at the image carefully before answering!

• Compound

• Mixture of elements and compounds

• Mixture of elements

• Mixture of compounds

2 types of mixtures

• Homogenous

• evenly mixed, CAN'T see the different substances or parts

• Heterogeneous

• not evenly mixed, CAN see the different parts/substances in the mixture

Multiple Choice

Stainless steel (made of iron, chromium, silicon, nickel, carbon, nitrogen, and manganese)

• Heterogeneous

• Homogeneous

Multiple Choice

Soil

• Heterogeneous mixture

• Homogeneous mixture

Multiple Choice

Blood

• Heterogeneous mixture

• Homogeneous mixture

Multiple Choice

• Element

• Compound

• Mixture

Formative Check

How are you doing???

Multiple Choice

Which of the choices below lists only elements?

• H₂O + OH, MgCl₂

• H₂O, KF, Ne

• KCl, Ag, Au

• K, Cl, N

Multiple Choice

What is CO₂ and example of?

• element

• molecule

• compound

Multiple Choice

The snow globe is an example of what type of mixture?

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

What is this an example of?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

The molecule C₁₀ is an example of a ___. Think carefully before answering this question!

• Element

• Compound

Multiple Choice

Water is a ____

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

Sweet Tea, everything is mixed evenly and looks the same.

• Heterogeneous Mixture

• Homogeneous Mixture

Multiple Choice

This is an example of a ____

• element

• compound

• mixture of elements and compounds

• mixture of compounds

Multiple Choice

This would be considered a ___

• element

• compound

• mixture of elements and compounds

• mixture of compounds

Multiple Choice

The air around us, N₂ + O₂ + CO₂ is considered to be a ___.

Think carefully before answering this one!!

• Element

• Compound

• Mixture

Multiple Choice

This is an example of a(n) ____

• element

• compound

• mixture of elements

• mixture of compounds

Multiple Choice

How would you describe this:

• element

• compound

• mixture of elements

• mixture of compounds and elements